Home / 1,416,203.85-2,126,157.63-840,877.25

Finding the Fourth Proportional to 1,416,203.85, 2,126,157.63 and 840,877.25

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Solution

The fourth proportional to 1,416,203.85, 2,126,157.63 and 840,877.25 is: 1,262,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,203.85 : 2,126,157.63 = 840,877.25 : x
  2. Step 2: Convert to fraction form
    1,416,203.85/2,126,157.63 = 840,877.25/x
  3. Step 3: Cross multiply
    1,416,203.85x = 2,126,157.63 × 840,877.25
  4. Step 4: Simplify right side
    1,416,203.85x = 1,787,837,580,980.92
  5. Step 5: Solve for x
    x = 1,787,837,580,980.92/1,416,203.85
  6. Step 6: Final answer
    x = 1,262,415.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.